No. But the WSJ feels otherwise. Their arguments:
The iPhone used to generate 40% new users for AT&T in 2007. Now that has dropped "all the way down" to 35%. No other Smartphone brings over a third of their customers from another network or anything close to that. What is a good number for the WSJ? 90%?
The iPhone generates about $2000 in revenue per customer over the two years of the contract if you deduct the estimated $400 subsidy. There are 9 million iPhones on AT&T's network. That is $18 Billion in revenue. Not